2608981429 has 4 divisors (see below), whose sum is σ = 2612019520. Its totient is φ = 2605943340.

The previous prime is 2608981391. The next prime is 2608981439. The reversal of 2608981429 is 9241898062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2608981429 - 2⁷ = 2608981301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2608981439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517757 + ... + 1519474.

It is an arithmetic number, because the mean of its divisors is an integer number (653004880).

Almost surely, 2^2608981429 is an apocalyptic number.

It is an amenable number.

2608981429 is a deficient number, since it is larger than the sum of its proper divisors (3038091).

2608981429 is an equidigital number, since it uses as much as digits as its factorization.

2608981429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038090.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 2608981429 is about 51078.1893668912. The cubic root of 2608981429 is about 1376.6503914249.

The spelling of 2608981429 in words is "two billion, six hundred eight million, nine hundred eighty-one thousand, four hundred twenty-nine".